/* =============================================
   ARCTON — AI Trading Platform
   Design inspired by Cryptohopper.com
   Colors: #0D0C43 (dark navy), #00B2C8 (teal), #FFFFFF
   Font: Poppins
   ============================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:    #0D0C43;
  --navy2:   #1A1A47;
  --teal:    #00B2C8;
  --teal2:   #00CDE6;
  --white:   #FFFFFF;
  --light:   #F7FDFD;
  --light2:  #E4FAFC;
  --gray:    #6B7280;
  --gray2:   #EEEEF2;
  --text:    #1F2937;
  --radius:  12px;
  --shadow:  0 4px 24px rgba(0,0,0,0.08);
  --shadow2: 0 8px 40px rgba(0,178,200,0.15);
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img, video { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.btn-primary:hover {
  background: var(--teal2);
  border-color: var(--teal2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,178,200,0.35);
}

.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-full { width: 100%; margin-top: 20px; }

.btn-watch {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.4);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 50px;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  backdrop-filter: blur(4px);
}
.btn-watch:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
}
.btn-watch small { font-size: 12px; opacity: 0.7; display: block; line-height: 1; }

.play-icon {
  width: 44px;
  height: 44px;
  background: var(--white);
  color: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.1); }

.nav-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 32px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.logo span { color: var(--teal); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
  transition: all var(--transition);
}
.nav-links a:hover {
  background: var(--light2);
  color: var(--teal);
}

.nav-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,12,67,0.85) 0%, rgba(13,12,67,0.6) 50%, rgba(0,178,200,0.15) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 100px;
  padding-bottom: 80px;
}

.hero-text { max-width: 640px; }

.hero-badge {
  display: inline-block;
  background: rgba(0,178,200,0.2);
  border: 1px solid rgba(0,178,200,0.5);
  color: var(--teal2);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  line-height: 1.7;
  max-width: 520px;
}

.hero-btns {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.hstat {
  display: flex;
  flex-direction: column;
  padding: 0 28px;
}
.hstat:first-child { padding-left: 0; }
.hstat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.hstat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}
.hstat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

/* ===== TICKER ===== */
.ticker-bar {
  background: var(--navy2);
  padding: 12px 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.ticker-inner {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
}
.ticker-inner span {
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  font-weight: 500;
  flex-shrink: 0;
}
.ticker-inner b.green { color: #22C55E; }
.ticker-inner b.red { color: #EF4444; }

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== SECTIONS ===== */
.section { padding: 96px 0; }
.section-light { background: var(--white); }
.section-dark { background: var(--navy); }

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}
.section-header.light h2,
.section-header.light p { color: var(--white); }
.section-header.light .section-sub { color: rgba(255,255,255,0.7); }

.section-tag {
  display: inline-block;
  background: var(--light2);
  color: var(--teal);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-tag.teal {
  background: rgba(0,178,200,0.15);
  color: var(--teal2);
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-sub {
  font-size: 17px;
  color: var(--gray);
  line-height: 1.7;
}

/* ===== FEATURES GRID ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray2);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow2);
  transform: translateY(-4px);
}
.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--light2), #d0f5f9);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--teal);
  flex-shrink: 0;
}
.feature-icon svg {
  width: 28px;
  height: 28px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.feature-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* ===== HOW IT WORKS ===== */
.steps-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  justify-content: center;
}

.step-card {
  flex: 1;
  max-width: 300px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  transition: all var(--transition);
}
.step-card:hover {
  background: rgba(0,178,200,0.1);
  border-color: rgba(0,178,200,0.4);
  transform: translateY(-4px);
}
.step-num {
  font-size: 48px;
  font-weight: 900;
  color: rgba(0,178,200,0.3);
  line-height: 1;
  margin-bottom: 8px;
}
.step-icon {
  width: 64px;
  height: 64px;
  background: rgba(0,178,200,0.12);
  border: 1px solid rgba(0,178,200,0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--teal2);
}
.step-icon svg {
  width: 30px;
  height: 30px;
}
.step-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.step-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}
.step-arrow {
  color: var(--teal);
  padding: 0 12px;
  margin-top: 80px;
  flex-shrink: 0;
  opacity: 0.7;
}

/* ===== STRATEGIES ===== */
.strategies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}

.strategy-card {
  background: var(--white);
  border: 1px solid var(--gray2);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}
.strategy-card:hover {
  box-shadow: 0 12px 48px rgba(0,0,0,0.12);
  transform: translateY(-6px);
}
.strategy-card.featured {
  border: 2px solid var(--teal);
  box-shadow: var(--shadow2);
}

.strategy-badge-top {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--teal);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 2;
}

.strategy-header {
  padding: 36px 28px 28px;
  position: relative;
}
.s1 { background: linear-gradient(135deg, #0D0C43 0%, #1e1b6e 100%); }
.s2 { background: linear-gradient(135deg, #003d47 0%, #00B2C8 100%); }
.s3 { background: linear-gradient(135deg, #0a2a1a 0%, #0d6e3f 100%); }

.strategy-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.strategy-icon {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,0.12);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: rgba(255,255,255,0.95);
}
.strategy-icon svg {
  width: 32px;
  height: 32px;
}
.strategy-header h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}
.strategy-tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}

.strategy-body { padding: 28px; }
.strategy-body p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 14px;
}

.strategy-features {
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.strategy-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
}
.check-icon {
  width: 20px;
  height: 20px;
  background: rgba(0,178,200,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--teal);
}

.strategy-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
  padding: 20px;
  background: var(--light);
  border-radius: 10px;
}
.sstat { text-align: center; }
.sstat-num {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
}
.sstat-label {
  display: block;
  font-size: 11px;
  color: var(--gray);
  margin-top: 4px;
  line-height: 1.3;
}

.strategy-risk {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}
.risk-label { font-size: 12px; color: var(--gray); font-weight: 600; }
.risk-bar {
  flex: 1;
  height: 6px;
  background: var(--gray2);
  border-radius: 3px;
  overflow: hidden;
}
.risk-fill { display: block; height: 100%; border-radius: 3px; }
.r-high { width: 85%; background: linear-gradient(90deg, #f59e0b, #ef4444); }
.r-med  { width: 55%; background: linear-gradient(90deg, #22c55e, #f59e0b); }
.r-low  { width: 30%; background: #22c55e; }
.risk-text { font-size: 12px; font-weight: 600; color: var(--text); }

/* ===== STATS BANNER ===== */
.stats-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy2) 50%, #003d47 100%);
  padding: 72px 0;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px 80px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.stat-item { display: flex; flex-direction: column; align-items: center; }
.stat-num {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}
.stat-suffix {
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 900;
  color: var(--teal);
}
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-top: 8px;
}

/* ===== REVIEWS ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background: var(--white);
  border: 1px solid var(--gray2);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}
.review-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow2);
  transform: translateY(-4px);
}
.review-stars {
  display: flex;
  gap: 3px;
  color: #f59e0b;
  margin-bottom: 16px;
}
.review-text {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.review-author strong {
  display: block;
  font-size: 14px;
  color: var(--navy);
  font-weight: 700;
}
.review-author span {
  font-size: 12px;
  color: var(--gray);
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--teal) 0%, #007a8a 100%);
  padding: 80px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-text h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}
.cta-text p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
}
.cta-banner .btn-primary {
  background: var(--white);
  color: var(--teal);
  border-color: var(--white);
  flex-shrink: 0;
}
.cta-banner .btn-primary:hover {
  background: var(--light2);
  border-color: var(--light2);
}

/* ===== FOOTER ===== */
.footer { background: var(--navy); color: rgba(255,255,255,0.7); }

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 72px 24px 48px;
}

.footer-logo {
  color: var(--white);
  font-size: 28px;
  font-weight: 800;
  display: block;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.social-links { display: flex; gap: 12px; }
.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
}
.social-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--teal); }

.footer-social-repeat {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px;
}
.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.disclaimer {
  font-size: 11px !important;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== MODALS ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,12,67,0.75);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }

.modal-box {
  background: var(--white);
  border-radius: 20px;
  padding: 48px;
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  animation: modalIn 0.3s ease;
}
.modal-wide { max-width: 960px; }

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-video { padding: 0; background: #000; overflow: hidden; }
.modal-video-player { width: 100%; max-height: 80vh; display: block; }

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--gray);
  line-height: 1;
  transition: color var(--transition);
  z-index: 1;
}
.modal-close:hover { color: var(--navy); }

.modal-box h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
}
.modal-date {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 32px;
}

.modal-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin: 28px 0 10px;
}
.modal-content h3:first-child { margin-top: 0; }
.modal-content p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.75;
  margin-bottom: 12px;
}

/* Cookie toggles */
.cookie-option {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray2);
}
.cookie-info strong {
  display: block;
  font-size: 15px;
  color: var(--navy);
  margin-bottom: 6px;
}
.cookie-info p {
  font-size: 13px;
  color: var(--gray);
  margin: 0;
}
.toggle-switch { position: relative; display: inline-block; width: 48px; height: 26px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--gray2);
  border-radius: 26px;
  cursor: pointer;
  transition: background var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  left: 3px;
  top: 3px;
  background: var(--white);
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.toggle-switch input:checked + .toggle-slider { background: var(--teal); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(22px); }
.toggle-switch input:disabled + .toggle-slider { opacity: 0.6; cursor: not-allowed; }
.cookie-option .btn { margin-top: 24px; }

/* Security highlight */
.security-highlight {
  background: linear-gradient(135deg, var(--light2), var(--light));
  border: 1px solid rgba(0,178,200,0.3);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin-bottom: 32px;
}
.sec-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--light2), #d0f5f9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--teal);
}
.security-highlight h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 12px;
}
.security-highlight p {
  font-size: 15px;
  color: var(--gray);
  max-width: 500px;
  margin: 0 auto;
}

/* Knowledge Base */
.kb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}
.kb-card {
  background: var(--light);
  border: 1px solid var(--gray2);
  border-radius: var(--radius);
  padding: 24px;
  cursor: pointer;
  transition: all var(--transition);
}
.kb-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow2);
  transform: translateY(-3px);
}
.kb-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--light2), #d0f5f9);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--teal);
}
.kb-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.3;
}
.kb-card p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 12px;
}
.kb-read {
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
}

.article-view { margin-top: 8px; }
.btn-back {
  background: none;
  border: none;
  color: var(--teal);
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.btn-back:hover { gap: 10px; }
#articleContent h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
}
#articleContent .article-meta {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 28px;
}
#articleContent h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin: 24px 0 10px;
}
#articleContent p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 14px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .strategies-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .kb-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--white); padding: 16px; border-bottom: 1px solid var(--gray2); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; border-radius: 8px; }
  .hamburger { display: flex; }
  .nav-actions .btn { display: none; }

  .hero-title { font-size: 36px; }
  .hero-sub { font-size: 16px; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 16px; }
  .hstat { padding: 0 16px; }

  .steps-row { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); margin: 0; padding: 8px 0; }

  .features-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .kb-grid { grid-template-columns: 1fr; }

  .modal-box { padding: 32px 24px; }
  .modal-wide { max-width: 100%; }

  .hero-stats { flex-direction: column; gap: 12px; }
  .hstat-divider { display: none; }
  .hstat { padding: 0; }
}

@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .hero-title { font-size: 30px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--light); }
::-webkit-scrollbar-thumb { background: var(--teal); border-radius: 3px; }

/* ===== BLOG ARTICLE MODAL ===== */
.blog-article { max-width: 720px; margin: 0 auto; }
.blog-tag {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.blog-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 12px;
}
.blog-meta {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 20px;
}
.blog-divider {
  border: none;
  border-top: 1px solid var(--gray2);
  margin-bottom: 28px;
}
.blog-lead {
  font-size: 16px;
  color: var(--navy);
  line-height: 1.8;
  margin-bottom: 28px;
}
.blog-article h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  margin: 32px 0 12px;
}
.blog-article h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin: 24px 0 10px;
}
.blog-article p {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.85;
  margin-bottom: 14px;
}
.blog-article em {
  display: block;
  background: #f0f9fb;
  border-left: 3px solid var(--teal);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  font-style: normal;
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 14px;
}
.blog-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}
.blog-compare-item {
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}
.blog-compare-ai {
  background: linear-gradient(135deg, var(--teal), #0097aa);
  color: #fff;
}
.blog-compare-human {
  background: var(--light);
  color: var(--navy);
}
.blog-compare-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.8;
  margin-bottom: 8px;
}
.blog-compare-stat {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 4px;
}
.blog-compare-sub {
  font-size: 12px;
  opacity: 0.75;
}
.blog-cta {
  margin-top: 36px;
  text-align: center;
  padding: 32px;
  background: var(--light);
  border-radius: 16px;
}
@media (max-width: 600px) {
  .blog-title { font-size: 22px; }
  .blog-compare { grid-template-columns: 1fr; }
}